diff --git a/debian/patches/0791-ruby2.5-compat.patch b/debian/patches/0791-ruby2.5-compat.patch
new file mode 100644
index 0000000000..659aaa5ef1
--- /dev/null
+++ b/debian/patches/0791-ruby2.5-compat.patch
@@ -0,0 +1,25 @@
+From fb7c85bb5a7c010a153afb2f0dff711ab3afdad5 Mon Sep 17 00:00:00 2001
+From: Pirate Praveen <praveen@debian.org>
+Date: Tue, 30 Jun 2020 12:10:41 +0000
+Subject: [PATCH] Fix ruby 2.5 compatibility (Thanks to Antonio Terceiro)
+
+---
+ lib/gitlab/golang.rb | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/lib/gitlab/golang.rb b/lib/gitlab/golang.rb
+index f2dc668c482a..34ff689eea4a 100644
+--- a/lib/gitlab/golang.rb
++++ b/lib/gitlab/golang.rb
+@@ -33,7 +33,7 @@ module Gitlab
+         m = /\A(.*\.)?0\./.freeze.match pre
+         return false unless m
+ 
+-        pre = pre[m[0].length..]
++        pre = pre[m[0].length..-1]
+       end
+ 
+       # This pattern is intentionally more forgiving than the patterns
+-- 
+GitLab
+
diff --git a/debian/patches/series b/debian/patches/series
index 3d445b75dc..409bf66c6a 100644
--- a/debian/patches/series
+++ b/debian/patches/series
@@ -26,3 +26,4 @@
 0750-fix-relative-paths.patch
 0760-update-grape.patch
 0790-protobuf-compat.patch
+0791-ruby2.5-compat.patch